EP3170860B1 - Adhésif structurel présentant une résistance améliorée à la corrosion - Google Patents

Adhésif structurel présentant une résistance améliorée à la corrosion Download PDF

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Publication number
EP3170860B1
EP3170860B1 EP15195394.0A EP15195394A EP3170860B1 EP 3170860 B1 EP3170860 B1 EP 3170860B1 EP 15195394 A EP15195394 A EP 15195394A EP 3170860 B1 EP3170860 B1 EP 3170860B1
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EP
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Prior art keywords
structural adhesive
composition
adhesive film
epoxy
metal
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EP15195394.0A
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German (de)
English (en)
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EP3170860A1 (fr
Inventor
Elisabeth Cura
Sohaib Elgimiabi
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3M Innovative Properties Co
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3M Innovative Properties Co
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Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to EP15195394.0A priority Critical patent/EP3170860B1/fr
Priority to KR1020187017185A priority patent/KR20180083414A/ko
Priority to CN201680066963.9A priority patent/CN108350335B/zh
Priority to PCT/US2016/061761 priority patent/WO2017087295A1/fr
Priority to CA3005850A priority patent/CA3005850A1/fr
Priority to MX2018006037A priority patent/MX2018006037A/es
Priority to BR112018010312-8A priority patent/BR112018010312A2/pt
Priority to JP2018526101A priority patent/JP7010220B2/ja
Priority to US15/775,190 priority patent/US11377576B2/en
Publication of EP3170860A1 publication Critical patent/EP3170860A1/fr
Publication of EP3170860B1 publication Critical patent/EP3170860B1/fr
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22—Di-epoxy compounds
    • C08G59/223—Di-epoxy compounds together with monoepoxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22—Di-epoxy compounds
    • C08G59/24—Di-epoxy compounds carbocyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/32—Epoxy compounds containing three or more epoxy groups
    • C08G59/36—Epoxy compounds containing three or more epoxy groups together with mono-epoxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/10—Adhesives in the form of films or foils without carriers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
    • C08G2650/56—Polyhydroxyethers, e.g. phenoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2451/00—Presence of graft polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2463/00—Presence of epoxy resin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2471/00—Presence of polyether

Definitions

  • Metal joints in vehicles may be formed through the use of an adhesive.
  • an adhesive may be used to bond a metal panel, for example a roof panel to the support structure or chassis of the vehicle.
  • an adhesive may be used in joining two metal panels of a vehicle closure panel.
  • Vehicle closure panels typically comprise an assembly of an outer and an inner metal panel whereby a hem structure is formed by folding an edge of an outer panel over an edge of the inner panel.
  • an adhesive is provided there between to bond the panels together.
  • a sealant typically needs to be applied at the joint of the metal panels to provide for sufficient corrosion resistance.
  • Amounts of ingredients of a composition may be indicated by % by weight (or "% wt”. or “wt.-%") unless specified otherwise. The amounts of all ingredients gives 100% wt unless specified otherwise. If the amounts of ingredients is identified by % mole the amount of all ingredients gives 100% mole unless specified otherwise. In particular, the amounts of ingredients may be indicated by parts per hundred parts fluoroelastomer.
  • the structural adhesive film according to the present disclosure comprises a thermosettable composition that comprises an epoxy compound having an average epoxy equivalent weight of less than 250 g/equivalent.
  • Suitable epoxy compounds for use herein will be easily identified by those skilled in the art, in the light of the present description.
  • the epoxy compound for use herein has an average epoxy equivalent weight of less than 250 g/equivalent, preferably of less than 230 g/equivalent, more preferably less than 220 g/equivalent, even more preferably less than 200 g/equivalent.
  • the epoxy compound for use herein has an average epoxy equivalent weight comprised between 100 and 200 g/equivalent, preferably between 150 and 200 g/equivalent, more preferably between 170 and 200 g/equivalent.
  • the epoxy compound for use herein has a weight average molecular weight of not more than 700 g/mol, preferably not more than 500 g/mol, more preferably not more than 400 g/mol.
  • epoxy compounds are generally liquid, or semi-liquid, at room temperature and are frequently also referred to as reactive epoxy thinners or reactive epoxy diluents. These compounds are preferably selected from the group of optionally substituted di- and polyglycidyl ethers of di- and polyphenols or aliphatic or cycloaliphatic hydroxyl compounds. Suitable epoxy compounds for use herein are commercially available from Momentive under tradename EpikoteTM 828; from Dow Chemical Co. under tradename DER 331, DER 332 and DER 334; from Resolution Performance Products under tradename Epon® 828; from Polysciences, Inc.
  • thermosettable composition structural adhesive further comprises a thermoplastic compound preferably having a softening point comprised between 30 °C and 140 °C.
  • a thermoplastic compound preferably having a softening point comprised between 30 °C and 140 °C.
  • Suitable thermoplastic compounds for use herein will be easily identified by those skilled in the art, in the light of the present description.
  • the thermoplastic compound is a thermoplastic resin.
  • Thermoplastic compounds and thermoplastic resins may also frequently be referred to as film forming agents.
  • thermoplastic resins for use herein have a softening point comprised between 70 °C and 120 °C, preferably between 80 °C and 100 °C, more preferably between 85 °C and 95 °C.
  • Suitable thermoplastic resins for use herein are preferably selected from the group consisting of polyether thermoplastic resins, polypropylene thermoplastic resins, polyvinyl chloride thermoplastic resins, polyester thermoplastic resins, polycaprolactone thermoplastic resins, polystyrene thermoplastic resins, polycarbonate thermoplastic resins, polyamide thermoplastic resins, and any combinations of mixtures thereof.
  • the weight ratio of the epoxy compound and the thermoplastic compound i.e. the thermoplastic resin is comprised between 0.5 and 4, preferably between 1 and 3, more preferably between 1.5 and 2.5, even more preferably between 1.8 and 2.2.
  • boron complexes in particular boron complexes with monoethanolamine, imidazoles such as 2-ethyl-methylimidazole, guanidines such as tetramethyl guanidine, dicyanodiamide (often referred to as DICY), substituted ureas such as toluene diisocyanate urea, and acid anhydrides such as the -methyltetrahydroxyphthalic acid anhydride, 3-methyltetrahydroxyphthalic acid anhydride and methylnorbornenephthalic acid anhydride, may be employed.
  • Still other useful epoxy curing agents include polyamines, mercaptans and phenols.
  • the amount of epoxy curing agents in the thermosettable composition of the structural adhesive film is typically comprised from 2 to 15 wt.-%, preferably from 2 to 8 wt.-%, more preferably from 2 to 4 wt.-%, based on total weight of the thermosettable composition.
  • thermosettable composition of the structural adhesive film may further comprise one or more toughening agents.
  • Any toughening agent commonly known in the art may be used in the thermosettable composition of the structural adhesive film of the disclosure.
  • the toughening agents are preferably selected from a group comprising core-shell toughening agents, CTBNs (carboxyl and/or nitrile terminated butadiene/nitrile rubbers) and high molecular weight amine terminated polytetramethylene oxide.
  • the inner hard core component is comprised of a single and/or a plurality of organic polymers and inorganic oxides from the first, second and/or third transition series of the periodic table such as silica, alumina, zirconia, and/or naturally occurring minerals such as feldspars, silicates, aluminates, zirconates, and/or other hardened materials such as carbides, nitrides, silicides, aluminides, and/or some combination thereof and therebetween.
  • organic polymers and inorganic oxides from the first, second and/or third transition series of the periodic table such as silica, alumina, zirconia, and/or naturally occurring minerals such as feldspars, silicates, aluminates, zirconates, and/or other hardened materials such as carbides, nitrides, silicides, aluminides, and/or some combination thereof and therebetween.
  • Core-shell toughening agents which are useful in the thermosettable composition are commercially available, for example, from DOW under the trade designation ParaloidTM, or Kane Ace(TM) MX153 from Kaneka, or Clearstrength TM products from Arkema
  • Alternative core shell material are acrylic impact modifiers from Arkema, with products from the trade name Durastrength.
  • Reactive diluents useful for the structural adhesive compositions according to the present disclosure may be commercially obtained under the trade designations Cardolite UltraLite 513, Cardura E10P and Araldite PY 4122.
  • the structural adhesive compositions according to the present disclosure preferably further comprise a further filler (f) selected from the list of carbon black, graphite, a mineral carbon source, glass beads, glass chips, metal chips, metal flakes, glass bubbles, organic and inorganic fibers, , preferably graphite, glass beads, glass chips, more preferably graphite, even more preferably graphite flakes.
  • the further filler (f) is in the form of non-spherical particles. Using non-spherical particles has the effect of providing an improved failure mode and high mechanical strength to the adhesive compositions and adhesive films according to the present disclosure.
  • "Failure mode" has the meaning as common in the art, i.e. the desirable "cohesive failure mode” describes a case where the failure appears only in the adhesive layer, and not between the adhesive layer and the substrate.
  • the non-spherical particles preferably flake shaped particles
  • the non-spherical particles have a grain size in the range of from 30 ⁇ m to 200 ⁇ m.
  • the non-spherical particles have an irregular shape and a grain size of 100 ⁇ m and less, preferably of 80 ⁇ m and less, preferably in the range of from 30 ⁇ m to 100 ⁇ m, more preferably in the range of from 30 ⁇ m to 80 ⁇ m.
  • the structural adhesive composition becomes heat expandable and may be referred to as an expandable structural adhesive composition. Accordingly, by heating, for example during the heating to cause thermosetting of the adhesive sheet, the structural adhesive composition expands which helps sealing of any gap in a metal joint. As a result, corrosion resistance may be improved.
  • the one or more blowing agents are preferably selected from the group of non-encapsulated and encapsulated blowing agents.
  • the structural adhesive composition and the structural adhesive film according to the present disclosure preferably provide a T-peel strength according to ASTM D1876 of at least 165 N, preferably at least 170 N, more preferably at least 175 N, preferably on a steel substrate at least partially covered with oil.
  • Adhesive peel strength according to ASTM 1876-08 (issued 2008)

Claims (15)

  1. Composition d'adhésif structural thermodurcissable comprenant
    (a) un composé époxy ;
    (b) un composé thermoplastique ;
    (c) un agent de durcissement d'époxy ;
    (d) au moins une charge minérale, dans laquelle l'au moins une charge minérale est susceptible d'absorber de l'eau, dans laquelle l'au moins une charge minérale est choisie dans le groupe constitué d'oxydes métalliques et hydroxydes métalliques ; et
    (e) au moins un composant comprenant au moins un fragment époxy et au moins un groupe alkyle linéaire ou ramifié.
  2. Composition d'adhésif structural selon la revendication 1, dans laquelle la charge minérale (d) est choisie dans le groupe constitué de MgO, CaO, BaO, K2O, Li2O, Na2O, SrO, et des mélanges de ceux-ci, de préférence est un mélange comprenant un oxyde métallique choisi parmi MgO, CaO ou Na2O, et SiO2.
  3. Composition d'adhésif structural selon l'une quelconque des revendications précédentes, dans laquelle la composition comprend l'au moins un composant (e) en une quantité allant de 0,1 à 20 % en poids par rapport au poids total de la composition, de préférence allant de 1 à 15 % en poids par rapport au poids total de la composition, plus préférablement allant de 1,5 à 10 % en poids par rapport au poids total de la composition, et encore plus préférablement allant de 2 à 7 % en poids par rapport au poids total de la composition.
  4. Composition d'adhésif structural selon l'une quelconque des revendications précédentes, dans laquelle la composition comprend l'au moins une charge minérale (d) en une quantité allant de 0,5 à 50 % en poids par rapport au poids total de la composition, de préférence allant de 2 à 40 % en poids par rapport au poids total de la composition, plus préférablement allant de 10 à 30 % en poids par rapport au poids total de la composition.
  5. Composition d'adhésif structural selon l'une quelconque des revendications précédentes, dans laquelle l'au moins un composant (e) est un composé selon la formule (I)

            (R1)n-A-B-C-(R2)m     (formule (I))

    dans laquelle
    R1 est un alkyle linéaire ou ramifié,
    R2 est un fragment époxy
    A, B, C sont différents ou identiques et sont alkyle, alcoxy, alcène, alcyne, phényle, phénoxy, carboxy, linéaire ou ramifié et sont éventuellement substitués par un alkyle, alcoxy, alcène, alcyne, phényle, phénoxy et carboxy, linéaire ou ramifié ;
    n vaut 1, 2 ou 2 ;
    m vaut 1, 2, ou 3.
  6. Composition d'adhésif structural selon la revendication 5, dans laquelle l'au moins un composant (e) est choisi parmi les composants
    Figure imgb0010
    Figure imgb0011
    Figure imgb0012
     et des mélanges et dérivés de ceux-ci.
  7. Composition d'adhésif structural selon l'une quelconque des revendications précédentes, qui fournit une résistance au cisaillement en chevauchement selon DIN EN 1465 d'au moins 21 MPa à -40 °C et/ou d'au moins 17 MPa à 23 °C et/ou d'au moins 11 MPa à 80 °C.
  8. Composition d'adhésif structural selon l'une quelconque des revendications précédentes, qui fournit une résistance au pelage en T selon ASTM D1876 d'au moins 165 N, de préférence au moins 170 N, plus préférablement au moins 175 N.
  9. Composition d'adhésif structural selon l'une quelconque des revendications précédentes, qui fournit une chute de résistance au cisaillement en chevauchement selon DIN EN 1465 après des conditions de cataplasme de 30 % ou moins, de préférence de 25 % ou moins, plus préférablement de 20 % ou moins, encore plus préférablement de 15 % ou moins.
  10. Film adhésif structural résistant à la corrosion, comprenant la composition d'adhésif structural selon l'une quelconque des revendications 1 à 9.
  11. Film adhésif structural résistant à la corrosion selon la revendication 10, comprenant en outre au moins une couche de support, de préférence une couche de support poreuse, choisie de préférence parmi un tissu tissé, une étoffe ou un textile non tissé.
  12. Procédé pour la liaison de parties, le procédé comprenant les étapes suivantes :
    i. fourniture d'une première partie et d'une deuxième partie ;
    ii. fourniture d'une composition d'adhésif structural selon l'une quelconque des revendications 1 à 9 ou d'un film adhésif structural selon l'une quelconque des revendications 10 à 11 à au moins une surface de ladite première partie et/ou de ladite deuxième partie,
    iii. adhésion de ladite première partie et de ladite deuxième partie à une température en dessous de la température d'activation inférieure à la température d'activation de l'agent de durcissement d'époxy, en formant de ce fait un joint entre ladite première et ladite deuxième partie, en formant de préférence un joint de métal entre ladite première et ladite deuxième partie,
    iv. chauffage du joint à une température supérieure à la température d'activation dudit agent de durcissement d'époxy, afin d'amener un thermodurcissement de la composition thermodurcissable.
  13. Procédé selon la revendication 12, dans lequel le matériau de la première et/ou de la deuxième partie est choisi parmi du métal, du carbone, un matériau polymère, des matériaux composites, du bois et du verre, de préférence dans lequel au moins l'une parmi la première et la deuxième partie comprend du métal.
  14. Ensemble de parties comprenant
    (I) une première partie et une deuxième partie, et
    (II) un film adhésif structural thermodurcissable ayant une première partie près d'une première extrémité dudit film adhésif structural et une deuxième partie près de la deuxième extrémité opposée à la première extrémité dudit film adhésif structural ;
    dans lequel le film adhésif structural thermodurcissable est fourni entre la première partie et la deuxième partie et fait adhérer la première partie et la deuxième partie l'une à l'autre, et dans lequel le film adhésif structural thermodurcissable est obtenu par thermodurcissement de la composition thermodurcissable selon l'une quelconque des revendications 1 à 9 ou du film adhésif structural selon la revendication 10 ou la revendication 11.
  15. Ensemble de parties selon la revendication 14, dans lequel le matériau de la première et/ou de la deuxième partie est choisi parmi du métal, du carbone, un matériau polymère, des matériaux composites, du bois et du verre, de préférence dans lequel au moins l'une parmi la première et la deuxième partie comprend du métal.
EP15195394.0A 2015-11-19 2015-11-19 Adhésif structurel présentant une résistance améliorée à la corrosion Active EP3170860B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP15195394.0A EP3170860B1 (fr) 2015-11-19 2015-11-19 Adhésif structurel présentant une résistance améliorée à la corrosion
BR112018010312-8A BR112018010312A2 (pt) 2015-11-19 2016-11-14 adesivo estrutural com resistência à corrosão melhorada
CN201680066963.9A CN108350335B (zh) 2015-11-19 2016-11-14 具有改善的耐腐蚀性的结构粘合剂
PCT/US2016/061761 WO2017087295A1 (fr) 2015-11-19 2016-11-14 Adhésif structurel présentant une résistance améliorée à la corrosion
CA3005850A CA3005850A1 (fr) 2015-11-19 2016-11-14 Adhesif structurel presentant une resistance amelioree a la corrosion
MX2018006037A MX2018006037A (es) 2015-11-19 2016-11-14 Adhesivo estructural con resistencia mejorada a la corrosion.
KR1020187017185A KR20180083414A (ko) 2015-11-19 2016-11-14 내부식성이 개선된 구조 접착제
JP2018526101A JP7010220B2 (ja) 2015-11-19 2016-11-14 改善された耐食性を備えた構造用接着剤
US15/775,190 US11377576B2 (en) 2015-11-19 2016-11-14 Structural adhesive with improved corrosion resistance

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Application Number Priority Date Filing Date Title
EP15195394.0A EP3170860B1 (fr) 2015-11-19 2015-11-19 Adhésif structurel présentant une résistance améliorée à la corrosion

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EP3170860B1 true EP3170860B1 (fr) 2020-07-29

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EP (1) EP3170860B1 (fr)
JP (1) JP7010220B2 (fr)
KR (1) KR20180083414A (fr)
CN (1) CN108350335B (fr)
BR (1) BR112018010312A2 (fr)
CA (1) CA3005850A1 (fr)
MX (1) MX2018006037A (fr)
WO (1) WO2017087295A1 (fr)

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US10721926B2 (en) * 2017-01-10 2020-07-28 Windage, Llc Scrape vines
CN108822780B (zh) * 2018-04-16 2021-06-01 杭州电子科技大学 一种半导体硅片切割用粘结材料
EP3587526B1 (fr) 2018-06-29 2022-02-16 3M Innovative Properties Company Doublure compatible avec de la peinture automobile revêtue des deux côtés pour film adhésif structural
EP3587527A1 (fr) 2018-06-30 2020-01-01 3M Innovative Properties Company Revêtement polymère complet (per)fluoro pour rubans adhésifs
EP3670626A1 (fr) 2018-12-17 2020-06-24 3M Innovative Properties Company Précurseur thermoformable d'une composition adhésive structurale avec une résistance à la corrosion
US10759697B1 (en) 2019-06-11 2020-09-01 MSB Global, Inc. Curable formulations for structural and non-structural applications
CN110903798A (zh) * 2019-12-23 2020-03-24 德华兔宝宝装饰新材股份有限公司 一种木材金属复合胶粘剂
JP2021127371A (ja) * 2020-02-12 2021-09-02 スリーエム イノベイティブ プロパティズ カンパニー 熱膨張性、且つ熱硬化性の接着シート
EP3916065A1 (fr) * 2020-05-25 2021-12-01 3M Innovative Properties Company Précurseur durcissable d'une composition adhésive structurale
JP7395088B2 (ja) * 2020-11-18 2023-12-11 シーカ テクノロジー アクチェンゲゼルシャフト ウレタン系接着剤組成物
CN117413002A (zh) * 2021-06-24 2024-01-16 株式会社艾迪科 环氧树脂组合物

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EP3170860A1 (fr) 2017-05-24
KR20180083414A (ko) 2018-07-20
US11377576B2 (en) 2022-07-05
US20180282592A1 (en) 2018-10-04
CN108350335A (zh) 2018-07-31
BR112018010312A2 (pt) 2018-12-04
MX2018006037A (es) 2018-08-01
CN108350335B (zh) 2022-03-22
JP2019504903A (ja) 2019-02-21
JP7010220B2 (ja) 2022-01-26
WO2017087295A1 (fr) 2017-05-26
CA3005850A1 (fr) 2017-05-26

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